If you’re new to ukulele, check out Getting Started on the Ukulele, and C and F songs.
Playing a C7 chord

To play a C7, you put your first finger (index finger) on the first fret of the A string (the one lowest down as you hold your uke.

Here’s a video of the C7 chord in action, on the song Oh My Darling Clementine.
(F) Oh my darling, () oh my darling, () oh my darling Clemen(C)tine,
() You were lost and gone for(F)ever dreadful (C) sorry Clemen(F)tine
Playing Songs with F and C7
And here are some more F and C7 songs. You can find lyrics with chords at: https://tinyurl.com/ChordsKidSongs
(F) Are you sleeping, () are you sleeping?
(C7) Brother (F) John? (C7)Brother (F) John?
(C7)Morning bells are (F) ringing, (C7) Morning bells are (F) ringing.
(C7) Ding ding (F) dong, (C7) ding ding (F) dong.
(F) Skip skip skip to my lou (C7) Skip skip skip to my lou
(F) Skip skip skip to my lou (C7) Skip to my lou my (F) darling
Next video:
(F) Here we go round the () mulberry bush
(C7) Mulberry bush, () mulberry bush
(F) Here we go round the ()mulberry bush
(C7) So early in the (F) morning.
The (F) more we get together, to(C7)gether, to(F)gether,
the () more we get together, the (C7)happier we’ll (F) be! (‘cause)
(C7)your friends are (F)my friends and (C7)my friends are your (F)friends.
The () more we get together, the (C7)happier we’ll (F)be!
Next video:
(F) It’s time to say goodbye. [echo]
(F) To all of our friends. [echo]
We’ll (C7) see you all (F) another day. [echo]
When we (C7) all come back to (F) play. [echo]
(F) You put your hand in, () You put your hand out,
() You put your hand in And you (C7) shake it all about.
() You do the hokey pokey As you () turn yourself around
() That’s what it’s all (F) about!
(F) Five little ducks went (C7) out one day,
() over the hills and (F) far away.
() Mama Duck said quack, (C7) quack, quack, quack.
() But only four little ducks came (F) back.
Once you’ve mastered these, you can learn G chord, and then play C and G songs.
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